26958157802872 has 16 divisors (see below), whose sum is σ = 50547931378560. Its totient is φ = 13478709435264.

The previous prime is 26958157802867. The next prime is 26958157802881. The reversal of 26958157802872 is 27820875185962.

It is a super-2 number, since 2×26958157802872² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45873048 + ... + 46456999.

It is an arithmetic number, because the mean of its divisors is an integer number (3159245711160).

Almost surely, 2^{26958157802872} is an apocalyptic number.

It is an amenable number.

26958157802872 is a deficient number, since it is larger than the sum of its proper divisors (23589773575688).

26958157802872 is a wasteful number, since it uses less digits than its factorization.

26958157802872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92366550 (or 92366546 counting only the distinct ones).

The product of its (nonzero) digits is 270950400, while the sum is 70.

The spelling of 26958157802872 in words is "twenty-six trillion, nine hundred fifty-eight billion, one hundred fifty-seven million, eight hundred two thousand, eight hundred seventy-two".